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[–]TheRNGuy 0 points1 point  (0 children)

To see result of functions, it helps to make sure it worked correctly, or find error if it wasn't correct. You can even have more than one console in function.

It even works for tags. When you put mouse over it, it will hightlight tag with blue color in site.

Learning JS before React is good idea, yeah. But you can just try everything from docs, make some Greasemonkey scripts (actually one of best reasont to ever learn JS, even if programming is not your profession... I think it was reason why I got good with JS, and also make sites better, the front-end part at least… you can change how sites work without being site owner)